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Last updated 17th April 2024


Dr. Shan Lou holds the position of Reader in Precision Metrology and is an integral part of the Centre for Precision Technologies (CPT) and the EPSRC Future Metrology Hub. Dr. Lou is deeply engrossed in pioneering research endeavors within the realm of precision metrology.

Shan received his BEng and MEng at the Central South University in China. He started his professional career in precision metrology at Hexagon Metrology, a leading global company in the metrology industry. Shan then moved to the University of Huddersfield to pursue a PhD degree whilst working for Hexagon Metrology on a part-time basis.
Shan is an editorial board member of the journal 'Bio-design and manufacturing', a Committee Member of the British Standard Institution (BSI) AMT/8 (Additive manufacturing) and TDW/4/4/1 (XCT), an International Scientific Committee member of the European Society for Precision Engineering and Nanotechnology (euspen), a Chartered Engineer of the Institution of Mechanical Engineers (IMechE), and a Fellow of the Higher Education Academy (HEA).
Shan was awarded an EPSRC New Investigator Grant and an RCUK Catapult Researchers in Residence Grant. Working with the National Measurement Institute (NPL), the Catapult HVM centres (MTC, AMRC), and wide industrial partners (Digital Surf, Nikon metrology, HiETA, Sartorius), he is investigating precision metrology technology for the additive manufacturing industry. 
Shan is the peer reviewer for many engineering and scientific journals, including Measurement Science and Technology, Measurement, Precision Engineering, Surface Topography: Metrology and Properties, IEEE Transactions on Instrumentation & Measurement, Optical Express. He was also an organising committee member and a session chair of ASPE Summer Topic Meeting – Advancing Precision in Additive Manufacturing, an organising committee member of the 4th Dimensional X-ray Computed Tomography conference.
Apart from research, Shan has been involved in teaching: (1) Lecture of NFA2168 Mechanical Engineering and Science; (2) Lecture of NFE2105 Engineering Mathematics; (3) Supervision of NHP2400-2223 final year projects; (4) Supervision of Master by Taught NMM3570-2223 Individual projects; (5) Enable project "Robot Arm" - NFE2102 Mechatronics

Research Supervision

Current students:

  • Mr Y. Liu 2023-2027 PhD (Main supervisor): Investigating the impact of surface roughness and internal defects on the mechanical performance of additive manufacturing components
  • Mr M. Hill 2023-2027 PhD (Acting main supervisor): In-situ quality control of material extrusion-based 3D printing for personalised medicines
  • Mr K. Yin 2022-2026 PhD (Co-supervisor): Digital twin enabled in-line multi-objective optimisation for extrusion-based additive manufacturing
  • Mr B. Mutiargo 2023-2025 Master by Research (Acting main supervisor): Fast surface determination method based on XCT simulation and machine Learning
  • Mr W. Liu 2022-2026  PhD (Acting main supervisor): Investigation of uncertainty and calibration for dimensional XCT measurement
  • Mr R. Ssebaggala 2022-2026 PhD (Acting main supervisor): Precision metrology of additively manufactured lattice structures using industrial X-Ray computed tomography
  • Mr D. Broadbent 2021-2025 PhD (Main supervisor): Development of a modular reference artifact to characterise XCT systems performance and facilitate the adoption of additive manufacturing technologies
  • Ms H. Huang 2020-2024 PhD (Co-supervisor): Advanced data processing for smart metrology of complex surfaces from high-value-added products
  • Ms W. Cui 2020-2024 PhD (Co-supervisor): Intelligent characterization for the complex freeform structured surface


  • Ms X. Chen 2019-2023 PhD (Acting main supervisor): Investigation and improvement of the metrological structural resolution of X-ray computed tomography in the surface texture measurement of additively manufactured parts
  • Mr S. Narasimharaju 2019-2022 PhD (Main supervisor): Investigation of microstructure, surface texture and mechanical properties of SLM of steels
  • Mr W. Liu 2020-2021 MSc by Research (Main supervisor): Verification of x-ray computed tomography for additive manufacturing dimensional & surface texture metrology and deployment to internal geometry measurement

Research Expertise and Interests

Particular Areas of Research

  •  Precision metrology for additive manufacturing - dimension, surface texture, and internal defects
  •  In-situ monitoring for additive manufacturing
  •  X-ray computed tomography metrology
  •  Digital twin for advanced manufacturing
  •  Surface texture measurement and characterisation
  •  Applied machine learning for metrology applications
  •  Application of metrology in sustainable manufacturing

External Research Funding

  • Flexible Laser-based manufacturing through precision photon distribution, Horizon Europe Innovation Action (101138380), 2024-2026, UoH PI
  • Investigation of dimensional accuracy and surface roughness of polymeric parts manufactured by additive manufacturing, Future Metrology Hub – Innovation Project (in partnership with Sartorius Stedim Lab Ltd.), 2023-2024, PI
  • A toolbox for freeform triangle mesh surface characterisation and its verification method, Future Metrology Hub – Innovation Project (in partnership with Digital Surf), 2023-2024, CI
  • Working towards holistic geometrical verification of additive manufacturing components, 3M BIC Fellowship 2021-2023, PI
  • Framework agreement for collaboration, know-how licence and technical assistance, Industry project - Digital surf, 2021-2023, CI
  • RCUK Catapult Researchers in Residence – Surface measurement methods for manufacturing, functioning & metrology of additively manufactured products, EPSRC(EP/R513520/1) (in partnership with Manufacturing Technology Centre), 2018-2022, PI
  • Measurement and characterisation of additively manufactured surface texture, EPSRC New Investigator Grant (EP/S000453/1), 2019-2022, PI
  • Connected digital additive manufacturing 3-In-1 X-Ray CT inspection, Innovate UK, 2017-2019, Core researcher
  • Fundaments and principles for measurement and characterization of 21st Century Science and Engineering Surfaces, ERC, 2010-2014, Researcher

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 3 - Good Health and Well-being
  • SDG 9 - Industry, Innovation, and Infrastructure
  • SDG 16 - Peace, Justice and Strong Institutions

Research Expertise and Interests

  • Precision metrology for additive manufacturing
  • In-process metrology
  • X-ray computed tomography metrology
  • Surface texture measurement and characterisation
  • Applied machine learning
  • Digital twin metrology


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